<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>学生</title>
  <link rel="stylesheet" href="./bootstrap/bootstrap.min.css" />
  <link rel="stylesheet" href="./bootstrap/bootstrap-icons.css" />
  <link rel="stylesheet" href="./css/common.css" />
  <link rel="stylesheet" href="./css/student.css" />
</head>

<body class="application application-offset">
  <div class="container-fluid container-application">
    <div class="sidenav show" id="sidenav-main">
      <!-- Sidenav header -->
      <div class="sidenav-header d-flex align-items-center">
        <a class="navbar-brand" href="./index.html">
          <span class="logo">·ITCAST·</span>
        </a>
      </div>
      <!-- User mini profile -->
      <div class="sidenav-user d-flex flex-column align-items-center justify-content-between text-center">
        <!-- Avatar -->
        <div>
          <a href="#" class="avatar rounded-circle avatar-xl">
            <img alt="Image placeholder" src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg"
              class="" />
          </a>
          <div class="mt-5">
            <h5 class="mb-0 text-white">黑马前端</h5>
            <span class="d-block text-sm text-white opacity-8 mb-3">数据可视化</span>
            <a href="javascript:;" class="btn btn-sm btn-white btn-icon rounded-pill shadow hover-translate-y-n3">
              <span class="btn-inner--text">学前端来黑马</span>
            </a>
          </div>
        </div>
      </div>
      <!-- Application nav -->
      <div class="nav-application clearfix">
        <a href="./index.html" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-house bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">首页</span>
        </a>
        <a href="./student.html" class="btn btn-square text-sm active">
          <span class="btn-inner--icon d-block"><i class="bi bi-people bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">学生</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-columns bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">排版</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-files bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">资料</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-receipt bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">就业</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-gear bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">设置</span>
        </a>
      </div>
      <!-- Misc area -->
      <div class="card bg-gradient-warning">
        <div class="card-body">
          <h5 class="text-white">哈喽, 朋友!</h5>
          <p class="text-white mb-4">为什么不现在开始学习前端，创造一些令人惊叹的东西呢？</p>
          <a href="http://itcast.cn" class="btn btn-sm btn-block btn-white rounded-pill" target="_blank">Get started</a>
        </div>
      </div>
    </div>
    <div class="main-content position-relative">
      <nav class="navbar navbar-main navbar-expand-lg navbar-dark navbar-border" id="navbar-main">
        <div class="container-fluid">
          <!-- Navbar nav -->
          <div class="collapse navbar-collapse navbar-collapse-fade" id="navbar-main-collapse">
            <ul class="navbar-nav align-items-lg-center">
              <!-- Home  -->
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 首页 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 传智教育 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 黑马程序员 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 文档 </a>
              </li>
            </ul>
            <!-- Right menu -->
            <ul class="navbar-nav ml-lg-auto align-items-center d-none d-lg-flex">
              <li class="nav-item dropdown dropdown-animate">
                <a class="nav-link pr-lg-0" href=".dropdown-menu" role="button" data-toggle="dropdown"
                  aria-haspopup="true" aria-expanded="false">
                  <div class="media media-pill align-items-center">
                    <span class="avatar rounded-circle">
                      <img alt="Image placeholder"
                        src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg" />
                    </span>
                    <div class="ml-2 d-none d-lg-block">
                      <!-- ---------------- 用户名 ---------------- -->
                      <span class="mb-0 text-sm font-weight-bold" id="Oname">Admin</span>
                    </div>
                  </div>
                </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" id="logout" href="javascript:;"> 退出 </a>
              </li>
            </ul>
          </div>
        </div>
      </nav>
      <div class="page-content">
        <div class="page-title mb-3">
          <div class="row justify-content-between align-items-center">
            <div class="col-md-6 mb-3 mb-md-0">
              <h5 class="h3 font-weight-400 mb-0 text-white">Students</h5>
              <span class="text-sm text-white opacity-8">一共有 <b class="total">0</b> 位学员</span>
            </div>
            <div class="col-md-6 d-flex align-items-center justify-content-between justify-content-md-end">
              <a id="openModal" href="javascript:;" class="btn btn-sm btn-white btn-icon-only rounded-circle ml-4">
                <span class="btn-inner--icon"><i class="bi bi-plus bi-2x"></i></span>
              </a>
            </div>
          </div>
        </div>
        <div class="row">
          <div class="col">
            <div class="card card-fluid">
              <div class="table-responsive" style="min-height: 1000px">
                <table class="table align-items-center">
                  <thead>
                    <tr>
                      <th>姓名</th>
                      <th>年龄</th>
                      <th>性别</th>
                      <th>组号</th>
                      <th>期望薪资</th>
                      <th>就业薪资</th>
                      <th>籍贯</th>
                      <th>操作</th>
                    </tr>
                  </thead>
                  <tbody class="list">
                    <!-- <tr>
                      <td>张杰</td>
                      <td>20</td>
                      <td>男</td>
                      <td>第2组</td>
                      <td>10000</td>
                      <td>13000</td>
                      <td>北京北京市东城区</td>
                      <td>
                        <a href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"></i></a>
                        <a href="javascript:;" class="text-danger"><i class="bi bi-trash"></i></a>
                      </td>
                    </tr> -->
                  </tbody>
                </table>
              </div>
            </div>
          </div>
        </div>
        <!-- footer -->
        <div class="footer pt-5 pb-4 footer-light" id="footer-main">
          <div class="row text-center text-sm-left align-items-sm-center">
            <div class="col-sm-6">
              <p class="text-sm mb-0">© 2022 <a href="https://itcast.cn" class="h6 text-sm" target="_blank">前端学科</a>.
                All rights reserved.</p>
            </div>
            <div class="col-sm-6 mb-md-0">
              <ul class="nav justify-content-center justify-content-md-end">
                <li class="nav-item">
                  <a class="nav-link" href="#">Support</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link" href="#">Terms</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pr-0" href="#">Privacy</a>
                </li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
  <!-- add Modal -->
  <div class="modal fade" id="modal" data-bs-backdrop="static">
    <div class="modal-dialog modal-lg">
      <div class="modal-content">
        <div class="modal-header">
          <h5 class="modal-title">添加学员</h5>
          <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
        </div>
        <div class="modal-body">
          <form id="form" class="g-3 row" autocomplete="off" novalidate>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">姓名：</label>
                <input type="text" name="name" class="form-control" placeholder="请输入姓名" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">性别：</label>
                <div class="input">
                  <div class="form-check d-inline-block">
                    <input value="0" checked id="cb01" class="form-check-input" type="radio" name="gender" />
                    <label for="cb01" class="form-check-label">男</label>
                  </div>
                  <div class="form-check d-inline-block">
                    <input value="1" id="cb02" class="form-check-input" type="radio" name="gender" />
                    <label for="cb02" class="form-check-label">女</label>
                  </div>
                </div>
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">年龄：</label>
                <input type="text" name="age" class="form-control" placeholder="请输入年龄" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">组号：</label>
                <input type="text" name="group" class="form-control" placeholder="请输入1-8组号" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">期望薪资：</label>
                <input type="text" name="hope_salary" class="form-control" placeholder="请输入期望薪资" />
              </div>
            </div>
            <div class="col-sm-6">
              <div class="form-group">
                <label class="input-group-label">就业薪资：</label>
                <input type="text" name="salary" class="form-control" placeholder="请输入就业薪资" />
              </div>
            </div>
            <div class="col-sm-12">
              <div class="form-group">
                <label class="input-group-label">籍贯：</label>
                <div class="input pl-0">
                  <select class="form-select custom-select" name="province">
                    <option value="">--省份--</option>
                  </select>
                  <select class="form-select custom-select" name="city">
                    <option value="">--城市--</option>
                  </select>
                  <select class="form-select custom-select" name="area">
                    <option value="">--地区--</option>
                  </select>
                </div>
              </div>
            </div>
          </form>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal" id="close">取消</button>
          <button type="button" class="btn btn-blue" id="submit">确认</button>
        </div>
      </div>
    </div>
  </div>
  <!-- toast -->
  <div class="toast position-fixed top-5 start-50 translate-middle" style="z-index:999" role="alert" aria-live="assertive" aria-atomic="true">
    <!-- 可以自己定义内部结构 -->
    <div class="toast-body">
      Hello, world! This is a toast message.
    </div>
  </div>

  <script src="./bootstrap/bootstrap.min.js"></script>
  <script src="./lib/axios.js"></script>
  <script src="./lib/form-serialize.js"></script>
  <script src="./js/common.js"></script>
  <script>
    //获取 弹窗的 dom元素
    let doml = document.querySelector('#modal')
    //实例化bootstrap的Modal构造函数，并传递 dom元素
    let oModal = new bootstrap.Modal(doml)
    document.querySelector('#openModal').addEventListener('click', async function(){
      //显示弹窗
      oModal.show()
     
      //修改弹窗标题
      document.querySelector('#modal .modal-title').innerHTML = '添加学员'
    })

    //获取需要操作的标签对象  省   市  区
    const oProv = document.querySelector('[name=province]');
    const oCity = document.querySelector('[name=city]');
    const oArea = document.querySelector('[name=area]');
    //获取省
    async function ProvinceFun(province=''){
      //获取省数据
      let res = await axios({
        url:'/api/province',
        method:'get'
      })
      let arrProvince = res.data.data.map(item => `<option value="${item}">${item}</option>`)
      oProv.innerHTML = arrProvince.join('')

      if (province) {
        oProv.value = province
      }
    }
    //获取当前省下的市
    async function CityFun (city=''){
      //获取当前省下的市数据
      let res = await axios({
        url:'/api/city',
        method:'get',
        params:{
            pname:oProv.value
        }
      })
      let arrCity = res.data.data.map(item => `<option value="${item}">${item}</option>`)
      oCity.innerHTML = arrCity.join('')

      if (city) {
        oCity.value = city
      }
    }
    //获取当前市下的县区
    async function AreaFun(area=''){
      //获取当前市下的县数据
      let res = await axios({
        url:'/api/area',
        method:'get',
        params:{
            pname:oProv.value,
            cname:oCity.value
        }
      })
      let arrArea = res.data.data.map(item => `<option value="${item}">${item}</option>`)
      oArea.innerHTML = arrArea.join('')

      if (area) {
        oArea.value = area
      }
    }
    
    //解决异步，按顺序执行函数
    async function renderAll(){
      await ProvinceFun()
      await CityFun()
      await AreaFun()
    }

    //调用按顺序执行方法
    renderAll()
    
    //省市区联动
    oProv.addEventListener('change', async function(e){
      // //获取当前省下所有的市
      await CityFun()
      // //获取当前省及市下所有的区
      await AreaFun()
    })
    oCity.addEventListener('change', async function(e){
       // //获取当前省及市下所有的区
       await AreaFun()
    })


    //点击弹窗中的确定按钮
    document.querySelector('#submit').addEventListener("click", async function(e){
      //阻止默认事件
      e.preventDefault()

       //利用封装的serialize方法收集表单所有数据
       let data = serialize(document.querySelector('#form'),true)
        console.log(data)
        //将获取的学生数据中的一些参数转换类型为Number整型
        data.age = +data.age 
        data.gender = +data.gender
        data.hope_salary = +data.hope_salary
        data.salary = +data.salary
        data.group = +data.group
      
      if (oModal.id) {
        let ret = await axios({
          url:`/students/${oModal.id}`,
          method:'put',
          data:data
        })
        // 渲染页面
        render()
        //重置表单
        document.querySelector('#modal form').reset()
        //关闭学生信息弹窗
        oModal.hide();
        //清除id标记
        oModal.id = null
        
      }else{
        let ret = await axios({
          url:`/students`,
          method:'post',
          data:data
        })
        //渲染页面
        render()
        //重置表单
        document.querySelector('#modal form').reset()
        //关闭学生信息弹窗
        oModal.hide();
        tip('添加成功')
      }
    })
    
    //点击弹窗中的取消按钮
    document.querySelector('#close').addEventListener('click', function(){
       //重置表单
      document.querySelector('#modal form').reset()
    })

    //封装学生数据列表函数
    async function render() {
      let res = await axios({
        url:'/students',
        method:'get'
      })

      let nArr = res.data.data.map(item => {
        let {name,age,gender,group,hope_salary,salary,province,city,area,id} = item;
        return `<tr>
                      <td>${name}</td>
                      <td>${age}</td>
                      <td>${gender === 0 ?'男':'女'}</td>
                      <td>${group}</td>
                      <td>${hope_salary}</td>
                      <td>${salary}</td>
                      <td>${province}${city}${area}</td>
                      <td>
                        <a data-id="${id}" href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"></i></a>
                        <a data-id="${id}" href="javascript:;" class="text-danger"><i class="bi bi-trash"></i></a>
                      </td>
                    </tr>`
      })

      document.querySelector('.list').innerHTML = nArr.join('')
    }
    
    //渲染学生列表
    render()

    //删除学生
    document.querySelector('.list').addEventListener('click', async function (e) {
      //判断点击的是否是对呀的元素
      if(e.target.tagName === 'I'){
        if(e.target.classList.contains('bi-trash')){
          //获取当前学生的id
          let id = e.target.parentNode.dataset.id
          try {
            let ret = await axios({
              url:`/students/${id}`,
              method:'delete'
            })
            tip('删除成功')
            render()
          } catch (error) {
            tip('删除失败')
          }
        }else if(e.target.classList.contains('bi-pen')){
          //修改弹窗标题
          document.querySelector('#modal .modal-title').innerHTML = '修改学员'
          //获取当前学生的id
          let id = e.target.parentNode.dataset.id
          //显示弹窗
          oModal.show()
          //获取学生数据，进行判断
          let res = await axios({
            url:`/students/${id}`
          })
          //由于下一步提交时，接口需要id数据，所以将id保存 到一个对象
          oModal.id = id;

          //渲染学生信息到弹窗上
          document.querySelector('input[name=name]').value = res.data.data.name
          document.querySelector('input[name=age]').value = res.data.data.age
          document.querySelector('input[name=hope_salary]').value = res.data.data.hope_salary
          document.querySelector('input[name=salary]').value = res.data.data.salary
          document.querySelector('input[name=group]').value = res.data.data.group

          //性别不是文本框，不能通过value来设置选中状态
          let oGenders = document.querySelectorAll('input[name=gender]')
          res.data.data.gender === 0 ? oGenders[0].checked=true : oGenders[1].checked=true

          //将学生的真实地区显示到弹窗中
          await ProvinceFun(res.data.data.province)
          await CityFun(res.data.data.city)
          await AreaFun(res.data.data.area)
        }
      }
    })
  

  </script>
</body>

</html>